On top of that, Google searches for GHRP are much more common in Australia than in the US or UK.
"Peptides and hormones are considered a new generation of substances and most are prohibited in sport," Australian Sports Anti-Doping Authority chief Aurora Andruska said.
"In many instances, the substances are not yet approved for human use."
Former ASADA head Richard Ings says peptides and other hormones can be very hard to detect.
"These are very serious performance enhancing drugs and at the moment they're very hard to detect through testing so at the moment the only way to determine that athletes are using them is through coercive powers," he said today.
But how much do you know about the substances like GHRP, pig brain extract, and the other weapons in the dopers' chemical arsenal?